11342960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2081

約数の個数: 40

約数和(自身を含む): 26757216

約数和(自身を除く): 15414256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1997, 2840, 3994, 5680, 7988, 9985, 15976, 19970, 31952, 39940, 79880, 141787, 159760, 283574, 567148, 708935, 1134296, 1417870, 2268592, 2835740, 5671480, 11342960]

約数ペア:

[(1, 11342960), (2, 5671480), (4, 2835740), (5, 2268592), (8, 1417870), (10, 1134296), (16, 708935), (20, 567148), (40, 283574), (71, 159760), (80, 141787), (142, 79880), (284, 39940), (355, 31952), (568, 19970), (710, 15976), (1136, 9985), (1420, 7988), (1997, 5680), (2840, 3994)]